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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    B89 Single-source

    Chevrolet · Regular Production Option

    Reveal molding ornamentation

    Years 1970–79 Models 1

    Documented applications

    Related codes · mentioned in these notes

    Z28

    This page aggregates every documented appearance of B89 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.